Question

find the CSA of a cone radius 4cm slant height 5cm​

Answer 1

Answer:

THE FORMULA OF CSA OF A CONE IS

Explanation:

$\pirl$

THERE FORE,

22/7X4X5

62.857

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Answer 2

Answer:

here h=5cm

l=4cm

therefore,

lsquare=rsquare+rsquare

5 square=r square +4 square

25=r square+ 16

25-16=r square

9=rsquare

r=root 9

r=3

radius=3cm

csa=pie r(r+l)

=22/7*3(3+4)

=22/7*3*7

22*3

=66

therefore,csa=66cm squa

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